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Added autotest for threaded text rendering.

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Task-number: QTBUG-18516
Reviewed-by: TRUSTME
(cherry picked from commit 903d4dc2196df2775255c24c707bfeb571992bb7)
This commit is contained in:
Laszlo Agocs 2011-04-26 16:01:08 +02:00 committed by Olivier Goffart
parent 4d38a48a70
commit c9cf5b45e3
1 changed files with 41 additions and 0 deletions
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41
tests/auto/qpainter/tst_qpainter.cpp
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@ -72,6 +72,7 @@
#include <qgraphicsscene.h>
#include <qgraphicsproxywidget.h>
#include <qlayout.h>
#include <qfontdatabase.h>
#if defined(Q_OS_SYMBIAN)
# define SRCDIR "."
@ -266,6 +267,8 @@ private slots:
void QTBUG17053_zeroDashPattern();
void drawTextOutsideGuiThread();
private:
void fillData();
void setPenColor(QPainter& p);
@ -4739,6 +4742,44 @@ void tst_QPainter::QTBUG17053_zeroDashPattern()
QCOMPARE(image, original);
}
class TextDrawerThread : public QThread
{
public:
void run();
QImage rendering;
};
void TextDrawerThread::run()
{
rendering = QImage(100, 100, QImage::Format_ARGB32_Premultiplied);
rendering.fill(0);
QPainter p(&rendering);
p.fillRect(10, 10, 100, 100, Qt::blue);
p.setPen(Qt::green);
p.drawText(20, 20, "some text");
p.end();
}
void tst_QPainter::drawTextOutsideGuiThread()
{
if (!QFontDatabase::supportsThreadedFontRendering())
QSKIP("No threaded font rendering", SkipAll);
QImage referenceRendering(100, 100, QImage::Format_ARGB32_Premultiplied);
referenceRendering.fill(0);
QPainter p(&referenceRendering);
p.fillRect(10, 10, 100, 100, Qt::blue);
p.setPen(Qt::green);
p.drawText(20, 20, "some text");
p.end();
TextDrawerThread t;
t.start();
t.wait();
QCOMPARE(referenceRendering, t.rendering);
}
QTEST_MAIN(tst_QPainter)
#include "tst_qpainter.moc"